immunology, developmental biology, microbiology
Earth: Home to 1 Trillion Microbial Species
Earth: Home to 1 Trillion Microbial Species
Catherine Offord | May 4, 2016
A new analysis of microbial data estimates that the world is home to 1 trillion species—of which only 0.001 percent have been discovered.
Cellular Pruning Follows Adult Neurogenesis
Cellular Pruning Follows Adult Neurogenesis
Kerry Grens | May 2, 2016
Newly formed neurons in the adult mouse brain oversprout and get cut back.
Becoming Acculturated
Becoming Acculturated
Jeffrey M. Perkel | May 1, 2016
Techniques for deep dives into the microbial dark matter
Microbial Ice-Makers
Microbial Ice-Makers
Jef Akst | Apr 26, 2016
How one bacterium turns water into ice at nonfreezing temperatures
Study: “Dirty” Mice More Humanlike
Study: “Dirty” Mice More Humanlike
Tanya Lewis | Apr 21, 2016
Housing laboratory mice with those reared in a pet store makes the lab rodents’ immune systems more similar to those of people.
AACR Q&A: Elaine Mardis
AACR Q&A: Elaine Mardis
The Scientist Staff | Apr 18, 2016
The genomics pioneer shares the sessions she most looks forward to at this year’s American Association for Cancer Research annual meeting.
Branching Out
Branching Out
Ashley P. Taylor | Apr 11, 2016
Researchers create a new tree of life, largely composed of mystery bacteria.
Microglia Tamp Down Neurogenesis
Microglia Tamp Down Neurogenesis
Kerry Grens | Apr 7, 2016
The immune cells—known for clearing dead cells—also chew up live progenitors in neurogenic regions of mouse brains. 
One Way Placenta Deflects Zika Infection
One Way Placenta Deflects Zika Infection
Kerry Grens | Apr 5, 2016
Certain immune cells surrounding the organ appear to block viral entry.
Tumor Traps
Tumor Traps
Kerry Grens | Apr 1, 2016
After surgery to remove a tumor, neutrophils recruited to the site spit out sticky webs of DNA that aid cancer recurrence.